A Comparison of Birdsfoot Trefoil‐Bluegrass and Ladino Clover‐Bluegrass for Pasture: I. Response of Lambs<sup>1</sup>

Davis, R. R.; Bell, Dugald

doi:10.2134/agronj1957.00021962004900080010x

Cited by 8 publications

(8 citation statements)

References 1 publication

(2 reference statements)

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“…The yield of dry herbage from the pastures as measured by caged samples is shown in table 1. Neither the apparent higher yield of the trefoil mixture nor the higher yield of the continuously grazed pastures in 1953 agree with animal response data reported in an earlier paper ( 4 . .…”

Section: Resultscontrasting

confidence: 62%

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A Comparison of Birdsfoot Trefoil‐Bluegrass and Ladino Clover‐Bluegrass for Pasture: II. Yield of Herbage and Relationships to Lamb Response

Davis¹,

Bell²

1958

Agronomy Journal

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Synopsis When measured by cages, European birdsfoot trefoil‐bluegrass pastures yielded more dry matter than Ladino clover‐bluegrass. Rotational grazing generally resulted in higher yield and the nitrogen content of the herbage was higher than with continuous grazing. The yield of dry matter was closely correlated with animal carrying capacity (r = 0.811). Herbage yield and animal gain per acre were not related.

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Section: Resultscontrasting

confidence: 62%

“…Numerous methods of measuring productivity without the use of grazing animals have been investigated. In an earlier paper the authors ( 4) reported animal response from grazing birdsfoot trefoil-• bluegra~:s and Ladino clover-bluegrass pastures. Samples from caged areas and from grazed areas were taken during the course of the experiment.…”

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confidence: 99%

A Comparison of Birdsfoot Trefoil‐Bluegrass and Ladino Clover‐Bluegrass for Pasture: II. Yield of Herbage and Relationships to Lamb Response

Davis¹,

Bell²

1958

Agronomy Journal

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“…The superiority of birdsfoot trefoil to Ladino clover under drouthy conditions has also been shown in grazing trials with lambs by Davis and Bell (2) in Ohio. They reported that Ladino clover was practically eliminated by drouth in the second year of the experiment.…”

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confidence: 74%

A Comparison of Birdsfoot Trefoil and Ladino Clover under Varying Irrigation and Fertility Levels¹

Cooper¹

1961

Agronomy Journal

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Synopsis Increasing frequency of irrigation gave a marked response with Ladino clover, but not with birdsfoot trefoil. Part of the response of Ladino clover was attributed to a better medium on irrigated plots for the regeneration of clover stands which were depleted from winterkilling. Birdsfoot trefoil did not respond to irrigation because of the presence of a shallow water table within reach of birdsfoot trefoil roots. Frequent irrigations resulted in decreased stands of birdsfoot trefoil which were accompanied by an ingress of weeds.

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“…Most of the work undertaken in the United States on grass-legume mixtures has been with white clover (Trifolium repens L.) and trefoil (Lotus spp.) with various grasses, e.g., Austenson and Law, (1955) and Davis and Bell, (1957). A number of studies on subcloverperennial grass management have been made in Australia.…”

Section: Introductionmentioning

confidence: 99%

Response of an Orchardgrass-Subclover Mixture in Western Oregon to Different Clipping and Fertilizing Practices

Hedrick¹

1964

Journal of Range Management

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JSTOR is a not-for-profit service that helps scholars, researchers, and students discover, use, and build upon a wide range of content in a trusted digital archive. We use information technology and tools to increase productivity and facilitate new forms of scholarship. For more information about JSTOR, please contact support@jstor.org.. Allen Press and Society for Range Management are collaborating with JSTOR to digitize, preserve and extend access to Journal of Range Management. NITROGEN CONTENT 147 described above. One point for each of the four experiments relating nitrogen content to per cent maximum yield in the check treatment was plotted on Figure 1. All four are within the 95 per cent confidence belt. DiscussionA relationship between the nitrogen content of range grass and the yield response to nitrogen fertilization has been found. This relationship could be useful in assessing the yield response of a site from the nitrogen analysis of the grass. Some burning occurred from the higher rates of nitrogen application. However, it seems difficult to avoid burning entirely if rates high enough to attain maximum yields are to be used. Earlier application of the fertilizer in September might reduce the burning. The treatments in these experiments were all applied in the very late fall.The stage of maturity at har2Range ecologist, Research Station, Kamloops, B. C., Canada; private communication.vest is critical, because the nitrogen content is still falling rather rapidly. According to MacLean2, the nitrogen content falls from 2.40 per cent at the leafy stage to 1.39 at flower, 1.05 at seed, 0.66 at seed-set and 0.49 at the cured stage. Therefore, care must be taken to harvest at the chosen maturity to reduce variation in maturity to a minimum. SummaryThe nitrogen content of range grass has been shown to be related to yield response to nitrogen fertilizer. A comprehensive yield response experiment on Agropyron inerme (beardless wheatgrass) gave the basic relationship between nitrogen content and yield. The linear regression equation is LOG (100-y) = -0.9073 (%o N) + 2.3670 where y is yield expressed as a per cent of the maximum yield obtained in the experiment. A series of four test experiments was used to evaluate the relationship. The yield of the check plots expressed as per cent maximum was plotted against nitrogen content. The points from all four experiments were within the 95%o confidence belt of the regression line. The data suggest that nitrogen analysis of range grass could be used as a measure of the fertilizer response to be expected. Grass was harvested at the seed-set stage of maturity.

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A Comparison of Birdsfoot Trefoil‐Bluegrass and Ladino Clover‐Bluegrass for Pasture: I. Response of Lambs¹

Cited by 8 publications

References 1 publication

A Comparison of Birdsfoot Trefoil‐Bluegrass and Ladino Clover‐Bluegrass for Pasture: II. Yield of Herbage and Relationships to Lamb Response

A Comparison of Birdsfoot Trefoil‐Bluegrass and Ladino Clover‐Bluegrass for Pasture: II. Yield of Herbage and Relationships to Lamb Response

A Comparison of Birdsfoot Trefoil and Ladino Clover under Varying Irrigation and Fertility Levels¹

Response of an Orchardgrass-Subclover Mixture in Western Oregon to Different Clipping and Fertilizing Practices

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A Comparison of Birdsfoot Trefoil‐Bluegrass and Ladino Clover‐Bluegrass for Pasture: I. Response of Lambs1

Cited by 8 publications

References 1 publication

A Comparison of Birdsfoot Trefoil‐Bluegrass and Ladino Clover‐Bluegrass for Pasture: II. Yield of Herbage and Relationships to Lamb Response

A Comparison of Birdsfoot Trefoil‐Bluegrass and Ladino Clover‐Bluegrass for Pasture: II. Yield of Herbage and Relationships to Lamb Response

A Comparison of Birdsfoot Trefoil and Ladino Clover under Varying Irrigation and Fertility Levels1

Response of an Orchardgrass-Subclover Mixture in Western Oregon to Different Clipping and Fertilizing Practices

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Product

Resources

About

A Comparison of Birdsfoot Trefoil‐Bluegrass and Ladino Clover‐Bluegrass for Pasture: I. Response of Lambs¹

A Comparison of Birdsfoot Trefoil and Ladino Clover under Varying Irrigation and Fertility Levels¹